Flat Roof Foam Insulation

Cost of rigid foam board insulation.

Flat roof foam insulation.

Foam control plus flat roof insulation outperforms xps. What s left he adds are using spray foam insulation on the underside of the roof sheathing or rigid foam on top of the roof sheathing. Use rigid foam insulation panels on your flat roof before applying the final roof covering or inside the house before adding sheetrock or paneling. R matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation r matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation board.

Once the roof demo was complete and the flat roof was cleared of any remaining debris some rotted 2x material around the perimeter of the roof was replaced. It has spray foam insulation entirely with 8 joists. Touch n seal 4004520015 u2 15 spray closed cell diy foam insulation kit 15 bf. Now in the intense 100 degree heat of this summer of 2019 the roof is melting.

Touch n seal high density spray foam roof insulation kit 3 0 pcf closed cell foam 120 bf. The most efficient and best insulation used is rigid foam polyiso. 2 9 out of 5 stars 36. Polyurethane foam roof systems are a fully renewable watertight seamless monolithic roofing system.

Flat roof insulation installation the rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets. Holladay informed west that these options were discussed in a recent gba article insulating low slope residential roofs. Foam control plus provides more r value at a lower cost xps use blowing agents that cause r value loss over time. Usually homeowners spend about 25 of the total cost to install a flat roof on high quality insulation.

Roof is pressure washed and cleaned using citrus cleaner and 3lb roofing spray foam is spray applied directly to existing flat roof after. Iso is available in a range of thicknesses that come in increments of 1 inch. Silicone coating silicone coating is rolled directly on the 3lb roofing spray foam creating a clean cool to the touch roof which resists ponding water drastically reduces energy bills and increases the. It s made of environmentally sound closed cell polyisocyanurate foam bonded to a durable white matte non glare aluminum facer and a reflective reinforced aluminum facer.

In august of 2016 i had a relatively flat roof 1 5 in slope per foot built for our 1500 sq ft addition. There are soffit vents and a ridge vent but then the foam occupies the entire cavity anyhow. Foam control plus available in 15 25 40 and 60 psi strengths at a lower cost foam control plus has a superior drying potential foam control plus is more vapor permeable to help avoid moisture problems.